Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a race condition in pppfillforwardpath...

pptp: ensure minimal skb length in pptp_xmit()

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CVE-2025-38574

CVE-2025-38574 affects the Linux kernel PPTP transmit path (pptp_xmit). A missing bound check on skb length could allow reading uninitialized data in pptp_xmit(), similar to changes made for ppp_sync_txmunge. The issue is fixed by the upstream commit aabc6596ffb3 and related bound-checking change...

CVE-2025-38574

In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 "net: ppp: Add bound checking for skb data on pppsynctxmung" fixed pppsynctxmunge We need a similar fix in pptpxmit, otherwise we might read uninit data as reported ...

EulerOS 2.0 SP11 : ppp (EulerOS-SA-2025-1939)

According to the versions of the ppp package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : The passprompt plugin in pppd in ppp before 2.5.2 mishandles privileges.CVE-2024-58250 Tenable has extracted the preceding description block directly...

EulerOS 2.0 SP11 : ppp (EulerOS-SA-2025-1965)

According to the versions of the ppp package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : The passprompt plugin in pppd in ppp before 2.5.2 mishandles privileges.CVE-2024-58250 Tenable has extracted the preceding description block directly...

CVE-2025-50159

Use after free in Remote Access Point-to-Point Protocol PPP EAP-TLS allows an authorized attacker to elevate privileges locally...

CVE-2025-50159 Remote Access Point-to-Point Protocol (PPP) EAP-TLS Elevation of Privilege Vulnerability

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CVE-2025-50159

CVE-2025-50159 : Use-after-free in Remote Access Point-to-Point Protocol (PPP) EAP-TLS can enable an authorized local user to escalate privileges. CVSS v3.1 base score 7.3 (LOCAL, LOW complexity, LOW privileges, USER interaction required; confidentiality/integrity/availability High). Affected com...

CVE-2025-50159 Remote Access Point-to-Point Protocol (PPP) EAP-TLS Elevation of Privilege Vulnerability

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Remote Access Point-to-Point Protocol (PPP) EAP-TLS Elevation of Privilege Vulnerability

Use after free in Remote Access Point-to-Point Protocol PPP EAP-TLS allows an authorized attacker to elevate privileges locally...

PT-2025-32782 · Unknown +1 · Ppp Eap-Tls +1

Name of the Vulnerable Software and Affected Versions: Remote Access Point-to-Point Protocol PPP EAP-TLS affected versions not specified Description: A use after free issue exists in Remote Access Point-to-Point Protocol PPP EAP-TLS. This allows a locally authorized attacker to elevate privileges...

Huawei EulerOS: Security Advisory for ppp (EulerOS-SA-2025-1939)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the PPPoE protocol processing not taking into account Ethernet headers, which could lead to uninitialized...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: ppp: Added bound checking for skb data in pppsynctxmung. We ensure that we have enough data in the linear buffer from the skb before accessing the initial bytes. This prevents potential out-of-bounds accesses when processing...

The vulnerability of the formSetPPTPUserList() function (/goform/setPptpUserList) in the Tenda AC6 router software allows a hacker to trigger a service failure.

The vulnerability of the formSetPPTPUserList function /goform/setPptpUserList of the Tenda AC6 router’s microprogramming software is related to the copying of buffers without checking the size of the input data when processing the list parameter. Exploiting this vulnerability could allow an...

CVE-2001-1565

Point to Point Protocol daemon pppd in MacOS x 10.0 and 10.1 through 10.1.5 provides the username and password on the command line, which allows local users to obtain authentication information via the ps command...

kernel: net: ppp: Add bound checking for skb data on ppp_sync_txmung

An out-of-bounds read vulnerability exists in the pppsynctxmunge function in the Linux kernel's PPP subsystem. Insufficient bounds checking on incoming PPP packets may lead to a kernel crash if a packet with an empty or truncated payload is processed...

kernel: ppp: fix ppp_async_encode() illegal access

In the Linux kernel, the following vulnerability has been resolved: ppp: fix pppasyncencode illegal access syzbot reported an issue in pppasyncencode 1 In this case, pppoesendmsg is called with a zero size. Then pppasyncencode is called with an empty skb. BUG: KMSAN: uninit-value in pppasyncencod...

ROS-2-643

2.643 Vulnerability in PPPD CVE-2020-8597 1. Vulnerability Description: The issue CVE-2020-8597 is a stack buffer overflow vulnerability resulting from a logic error in the EAP Extensible Authentication Protocol packet parser in PPPD eaprequest and eapresponse functions in eap.c. The vulnerabilit...